critical · CVSS v3 9.8

CVE-2026-20548

In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of pr…

Description

In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.

Scores

Severity
critical
CVSS v2
7.5
CVSS v3
9.8
CVSS v4
—
EPSS
—

← All CVEs

Related CVEs

critical

CVE-2026-120279

A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

View analysis

critical

CVE-2026-120276

WAVLINK WN536AX6-A routers are vulnerable to remote OS command injection via the Web Management Interface. The flaw lies in the handling of the group_name parameter in /bin/ioos. Attackers can execute arbitrary commands on the device.

View analysis

critical

CVE-2026-120277

A critical OS command injection flaw exists in the WireGuard CLI Group Handler on WAVLINK WN536AX6-A routers, allowing remote attackers to execute arbitrary commands via the group_name argument. The vulnerability is publicly disclosed and can be exploited without authentication. It poses a severe risk to the confidentiality, integrity, and availability of affected devices.

View analysis

critical

CVE-2026-120280

A vulnerability has been found in WAVLINK WN536AX6-A V260507. The impacted element is the function wireguard_cli_group handler of the file /protocol.csp of the component WireGuard. The manipulation of the argument group_id/group_name leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

View analysis